When Jack is taken off the roulette table approx 20 minutes in, the roulette wheel is not spinning. Roulette wheels are only stopped when the table is closed, and as there are players at the table the wheel should be moving.

When Jack is dealing poker at his friends house party, after an elaborate shuffle he offers the cards to be cut to the gentleman on his left, if he were a professional he would know that you cut to the right and deal to the left.

When Jack has a job interview at the London casino his father recommends him for, the manager (Mr. Reynolds) at one stage asks him the current count at the Blackjack table. Jack insists it is -9, the manager insists it is -8 to which Jack confides smugly to himself "It had taken him 45 minutes but Jack now had Mr. Reynolds number. The man couldn't count."
Neither Jack or Mr. Reynolds can count. The count is actually at +2.

Jack: [self reflection]
Now he had become the still center of that spinning wheel of misfortune. The world turned 'round him leaving him miraculously untouched. The croupier had reached his goal. He no longer heard the sound of the ball.

Marion finds the 10,000 down payment Jack was hiding in the kitchen. She overhears Jani's message about the date of the robbery and erases the message.Jack is attacked by a cheating gambler and the robbery is intercepted by the police who were notified by Marion. She comes to see Jack in the hospital. Marion is killed in a hit-and-run accident.Jack's book "I Croupier" comes out anonymously. He doesn't spend any of the money, admitting he's a one-book-writer. He gets a phone call from Yani in South Africa. She getting married with his father, who set the whole thing up. Jack kisses Bella.